Radeon Xpress 1250 and GeForce RTX 4090 Mobile - video card comparison
Radeon Xpress 1250
GeForce RTX 4090 Mobile
Architecture
R400 (2004−2008)
Ada Lovelace
GPU code name
RS690
GN21-X11
Market segment
Laptop
Laptop
Release date
August 2006
January 2023
Interface
PCIe 1.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
-
Boost clock speed
400 MHz
2040 MHz
Core clock speed
400 MHz
-
Manufacturing process technology
80 nm
5 nm
Number of transistors
120 million
45,900 million
Pipelines / CUDA cores
4
9728
Power consumption (TDP)
-
150 Watt (80 - 150 Watt TGP)
Texture fill rate
1.600
515.3
Memory type
System Shared
GDDR6
Maximum RAM amount
System Shared
16 GB
Memory bus width
System Shared
256 Bit
Memory clock speed
System Shared
20000 MHz
Memory bandwidth
-
576.0 GB/s
Shared memory
+
-
Display Connectors
No outputs
Portable Device Dependent
DirectX
9.0b (9_2)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
N/A
3.0
OpenGL
2.0
4.6
Shader Model
-
6.7
Vulkan
N/A
1.3